diff options
Diffstat (limited to 'Modules/arraymodule.c')
-rw-r--r-- | Modules/arraymodule.c | 240 |
1 files changed, 168 insertions, 72 deletions
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c index 55a0dce..a011d30 100644 --- a/Modules/arraymodule.c +++ b/Modules/arraymodule.c @@ -674,6 +674,163 @@ ins(arrayobject *self, int where, PyObject *v) } static PyObject * +array_count(arrayobject *self, PyObject *args) +{ + int count = 0; + int i; + PyObject *v; + + if (!PyArg_ParseTuple(args, "O:count", &v)) + return NULL; + for (i = 0; i < self->ob_size; i++) { + PyObject *selfi = getarrayitem((PyObject *)self, i); + if (PyObject_Compare(selfi, v) == 0) + count++; + Py_DECREF(selfi); + if (PyErr_Occurred()) + return NULL; + } + return PyInt_FromLong((long)count); +} + +static char count_doc [] = +"count (x)\n\ +\n\ +Return number of occurences of x in the array."; + +static PyObject * +array_index(arrayobject *self, PyObject *args) +{ + int i; + PyObject *v; + + if (!PyArg_ParseTuple(args, "O:index", &v)) + return NULL; + for (i = 0; i < self->ob_size; i++) { + PyObject *selfi = getarrayitem((PyObject *)self, i); + if (PyObject_Compare(selfi, v) == 0) { + Py_DECREF(selfi); + return PyInt_FromLong((long)i); + } + Py_DECREF(selfi); + if (PyErr_Occurred()) + return NULL; + } + PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list"); + return NULL; +} + +static char index_doc [] = +"index (x)\n\ +\n\ +Return index of first occurence of x in the array."; + +static PyObject * +array_remove(arrayobject *self, PyObject *args) +{ + int i; + PyObject *v; + + if (!PyArg_ParseTuple(args, "O:remove", &v)) + return NULL; + for (i = 0; i < self->ob_size; i++) { + PyObject *selfi = getarrayitem((PyObject *)self,i); + if (PyObject_Compare(selfi, v) == 0) { + Py_DECREF(selfi); + if (array_ass_slice(self, i, i+1, + (PyObject *)NULL) != 0) + return NULL; + Py_INCREF(Py_None); + return Py_None; + } + Py_DECREF(selfi); + if (PyErr_Occurred()) + return NULL; + } + PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list"); + return NULL; +} + +static char remove_doc [] = +"remove (x)\n\ +\n\ +Remove the first occurence of x in the array."; + +static PyObject * +array_pop(arrayobject *self, PyObject *args) +{ + int i = -1; + PyObject *v; + if (!PyArg_ParseTuple(args, "|i:pop", &i)) + return NULL; + if (self->ob_size == 0) { + /* Special-case most common failure cause */ + PyErr_SetString(PyExc_IndexError, "pop from empty array"); + return NULL; + } + if (i < 0) + i += self->ob_size; + if (i < 0 || i >= self->ob_size) { + PyErr_SetString(PyExc_IndexError, "pop index out of range"); + return NULL; + } + v = getarrayitem((PyObject *)self,i); + if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) { + Py_DECREF(v); + return NULL; + } + return v; +} + +static char pop_doc [] = +"pop ([i])\n\ +\n\ +Return the i-th element and delete it from the array. i defaults to -1."; + +static PyObject * +array_extend(self, args) + arrayobject *self; + PyObject *args; +{ + int size; + PyObject *bb; + arrayobject *np; + + if (!PyArg_ParseTuple(args, "O:extend", &bb)) + return NULL; + + if (!is_arrayobject(bb)) { + PyErr_Format(PyExc_TypeError, + "can only append array (not \"%.200s\") to array", + bb->ob_type->tp_name); + return NULL; + } +#define b ((arrayobject *)bb) + if (self->ob_descr != b->ob_descr) { + PyErr_SetString(PyExc_TypeError, + "can only append arrays of same kind"); + return NULL; + } + size = self->ob_size + b->ob_size; + PyMem_RESIZE(self->ob_item, char, size*self->ob_descr->itemsize); + if (self->ob_item == NULL) { + PyObject_Del(self); + return PyErr_NoMemory(); + } + memcpy(self->ob_item + self->ob_size*self->ob_descr->itemsize, + b->ob_item, b->ob_size*b->ob_descr->itemsize); + self->ob_size = size; + Py_INCREF(Py_None); + return Py_None; +#undef b +} + +static char extend_doc [] = +"extend(array)\n\ +\n\ + Append array items to the end of the array."; + +static PyObject * array_insert(arrayobject *self, PyObject *args) { int i; @@ -816,74 +973,6 @@ static char reverse_doc [] = \n\ Reverse the order of the items in the array."; -/* The following routines were adapted from listobject.c but not converted. - To make them work you will have to work! */ - -#if 0 -static PyObject * -array_index(arrayobject *self, PyObject *args) -{ - int i; - - if (args == NULL) { - PyErr_BadArgument(); - return NULL; - } - for (i = 0; i < self->ob_size; i++) { - if (PyObject_Compare(self->ob_item[i], args) == 0) - return PyInt_FromLong((long)i); - /* XXX PyErr_Occurred */ - } - PyErr_SetString(PyExc_ValueError, "array.index(x): x not in array"); - return NULL; -} -#endif - -#if 0 -static PyObject * -array_count(arrayobject *self, PyObject *args) -{ - int count = 0; - int i; - - if (args == NULL) { - PyErr_BadArgument(); - return NULL; - } - for (i = 0; i < self->ob_size; i++) { - if (PyObject_Compare(self->ob_item[i], args) == 0) - count++; - /* XXX PyErr_Occurred */ - } - return PyInt_FromLong((long)count); -} -#endif - -#if 0 -static PyObject * -array_remove(arrayobject *self, PyObject *args) -{ - int i; - - if (args == NULL) { - PyErr_BadArgument(); - return NULL; - } - for (i = 0; i < self->ob_size; i++) { - if (PyObject_Compare(self->ob_item[i], args) == 0) { - if (array_ass_slice(self, i, i+1, - (PyObject *)NULL) != 0) - return NULL; - Py_INCREF(Py_None); - return Py_None; - } - /* XXX PyErr_Occurred */ - } - PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in array"); - return NULL; -} -#endif - static PyObject * array_fromfile(arrayobject *self, PyObject *args) { @@ -1095,16 +1184,18 @@ PyMethodDef array_methods[] = { {"buffer_info", (PyCFunction)array_buffer_info, 0, buffer_info_doc}, {"byteswap", (PyCFunction)array_byteswap, METH_VARARGS, byteswap_doc}, -/* {"count", (method)array_count},*/ + {"count", (PyCFunction)array_count, 1, count_doc}, + {"extend", (PyCFunction)array_extend, 1, extend_doc}, {"fromfile", (PyCFunction)array_fromfile, 0, fromfile_doc}, {"fromlist", (PyCFunction)array_fromlist, 0, fromlist_doc}, {"fromstring", (PyCFunction)array_fromstring, 0, fromstring_doc}, -/* {"index", (method)array_index},*/ + {"index", (PyCFunction)array_index, 1, index_doc}, {"insert", (PyCFunction)array_insert, 0, insert_doc}, + {"pop", (PyCFunction)array_pop, 1, pop_doc}, {"read", (PyCFunction)array_fromfile, 0, fromfile_doc}, -/* {"remove", (method)array_remove},*/ + {"remove", (PyCFunction)array_remove, 1, remove_doc}, {"reverse", (PyCFunction)array_reverse, 0, reverse_doc}, -/* {"sort", (method)array_sort},*/ +/* {"sort", (PyCFunction)array_sort, 0, sort_doc},*/ {"tofile", (PyCFunction)array_tofile, 0, tofile_doc}, {"tolist", (PyCFunction)array_tolist, 0, tolist_doc}, {"tostring", (PyCFunction)array_tostring, 0, tostring_doc}, @@ -1364,11 +1455,16 @@ Methods:\n\ append() -- append a new item to the end of the array\n\ buffer_info() -- return information giving the current memory info\n\ byteswap() -- byteswap all the items of the array\n\ +count() -- return number of occurences of an object\n\ +extend() -- extend array by appending array elements\n\ fromfile() -- read items from a file object\n\ fromlist() -- append items from the list\n\ fromstring() -- append items from the string\n\ +index() -- return index of first occurence of an object\n\ insert() -- insert a new item into the array at a provided position\n\ +pop() -- remove and return item (default last)\n\ read() -- DEPRECATED, use fromfile()\n\ +remove() -- remove first occurence of an object\n\ reverse() -- reverse the order of the items in the array\n\ tofile() -- write all items to a file object\n\ tolist() -- return the array converted to an ordinary list\n\ |